What effect would a loss-of-function mutation have on the expression of the gene encoding the catabolite activator protein of the lac operon?

Question

TuteeHUB · Accepted Answer

High expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose

TuteeHUB · Answer

Low expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose

TuteeHUB · Answer

High expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose

TuteeHUB · Answer

Low expression in the presence of glucose and off in its absence, regardless of the presence or absence of lactose

TuteeHUB · Answer

High expression in the presence of glucose and off in its absence, regardless of the presence or absence of lactose

1.	What effect would a loss-of-function mutation have on the expression of the gene encoding the catabolite activator protein of the lac operon?
A.	Low expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose
B.	High expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose
C.	Low expression in the presence of glucose and off in its absence, regardless of the presence or absence of lactose
D.	High expression in the presence of glucose and off in its absence, regardless of the presence or absence of lactose
Answer» B. High expression in the presence of lactose and off in its absence, regardless of the presence or absence of glucose

Discussion